package cn.zhukelili.generic;

/**
 * @Description: 通用Receiver类
 * @Auther: hongheshou
 * @Date: 2018/7/17 17:23
 */
public abstract class Receiver {
    //抽象接收者，定义每个接收者都必须完成的业务
    public abstract void doSomething();
}
